I've never ran a .55 gap...not even now. To be honest i'm not sure what is oem specs but i don't belive it is .55. I could be wrong though... One time I was....just once though....lol
OEM is .060 I believe. 0.55 would be half an inch.
2004 Impala LS - got some mods sold!!!
2009 Subaru Impreza WRX STI
NAIOA moderator Still Imp'n, just in a different Imp.